Batterytec&reg; Laptop Battery for ASUS C21-X202, ASUS VivoBook X201E X202E S200 S200E S200E-CT209H S200E-CT243H S200E-CT198H S200E-CT158H S200E-CT157H, ASUS VivoBook Q200 Q200E. [7.4V 5000mAh, 1 Year Warranty] Battery Type: Li-ion, Cells: 2-cell,Capacity: 5000mAh; Voltage: 7.4V 100% New Manufacturer. To 500 charging cycles during the lifetime of the battery. CE-/FCC-/RoHS-Certified for safety. 24 x 7 email support, 12 months Warranty without problems. Class A cells provide fast loads and low power consumption, chip protection offers both security and stability.